55703503 has 2 divisors, whose sum is σ = 55703504. Its totient is φ = 55703502.

The previous prime is 55703437. The next prime is 55703513. The reversal of 55703503 is 30530755.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55703503 - 2⁹ = 55702991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55703513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27851751 + 27851752.

It is an arithmetic number, because the mean of its divisors is an integer number (27851752).

Almost surely, 2^55703503 is an apocalyptic number.

55703503 is a deficient number, since it is larger than the sum of its proper divisors (1).

55703503 is an equidigital number, since it uses as much as digits as its factorization.

55703503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7875, while the sum is 28.

The square root of 55703503 is about 7463.4779426217. The cubic root of 55703503 is about 381.9098290499.

The spelling of 55703503 in words is "fifty-five million, seven hundred three thousand, five hundred three".